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Sweep / Helix twist problem

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Benedict Hein
Sweep / Helix twist problem
on Dec 6, 2018 at 10:22:15 am
Last Edited By Benedict Hein on Dec 6, 2018 at 10:26:34 am

Hi guys,

I got the following problem when trying to make screw threads –

Helix within a sweep works fine when upright. When rotated 90° I get weird twists within the sweep.
When turning banking on the twists disappear, but my thread is getting thinner to the ends and thicker in the middle.

Any tips what might be wrong?



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Harry Hoag
Re: Sweep / Helix twist problem
on Dec 6, 2018 at 3:57:28 pm

Maybe try making an instance of your helix and move the instance up a bit in the Y axis. The put the instance inside the sweep nurbs object as a rail, and turn of rail scale. That should keep your sweep in line without banking


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Benedict Hein
Re: Sweep / Helix twist problem
on Dec 6, 2018 at 4:40:09 pm

Figured it out – putting everything into a null before rotating keeps everything as it should be


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